Merge "Depend on exportable mainline module stubs for doc generation" into main am: bfb3ed2149

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3342398

Change-Id: Ie459e9775718bb779d768c65fbef3d433aabd3a8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>